| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1141 | Tory | Irish | From the knolls. | M | |
| 1142 | Toryn | Irish | Chief. | M | |
| 1143 | Traigh | Irish | Strand. | M | |
| 1144 | Treabhar | Irish | Prudent. | M | |
| 1145 | Treacy | Irish | Fighter. | M | |
| 1146 | Treasach | Irish | Fighter. | M | |
| 1147 | Treasigh | Irish | Fighter. | M | |
| 1148 | Trevor | Irish | Prudent. | M | |
| 1149 | Troy | Irish | Foot soldier. | M | |
| 1150 | Tully | Irish | Peaceful. Surname. | M | |
| 1151 | Ty | Irish | Diminutive of Tyrone: Eoghan's land (from a county in Ireland). | M | |
| 1152 | Tyfiell | Irish | Derivative of the Scandinavian god of battle 'Tyr.' Tuesday was named for Tyr. | M | |
| 1153 | Tynan | Irish | Surname. | M | |
| 1154 | Tyreece | Irish | Derivative of the Scandinavian god of battle 'Tyr.' Tuesday was named for Tyr. | M | |
| 1155 | Tyrel | Irish | Derivative of the Scandinavian god of battle 'Tyr.' Tuesday was named for Tyr. | M | |
| 1156 | Tyrell | Irish | Derivative of the Scandinavian god of battle 'Tyr.' Tuesday was named for Tyr. | M | |
| 1157 | Tyrelle | Irish | Derivative of the Scandinavian god of battle 'Tyr.' Tuesday was named for Tyr. | M | |
| 1158 | Tyrone | Irish | From Owen's territory. County Tyrone in Ireland. The late actor Tyrone Power. | M | |
| 1159 | Tyronne | Irish | From Owen's territory. County Tyrone in Ireland. The late actor Tyrone Power. | M | |
| 1160 | Uaid | Irish | Irish form of Walter. | M | |